There are 4 zip codes in DeKalb County, Tennessee. The most populated is 37166, located in Smithville. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
37166 | Smithville | 14,051 |
37012 | Alexandria | 2,340 |
37095 | Liberty | 2,279 |
37059 | Dowelltown | 1,588 |